NPIMap

Individual provider Active NPI

Christopher E. Hummel, D.O.

  • Gynecologic Oncology Physician
  • Grand Rapids, MI
National Provider Identifier
1396985206
Registry record updated Apr 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gynecologic Oncology PhysicianTaxonomy code 207VX0201X
License
5101025392 Issued in MI
Practice address
145 Michigan St NE Ste 6300
Grand Rapids, MI 49503-2562
Phone
(616) 486-6000
NPI assigned
Mar 5, 2009
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 2, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gynecologic Oncology Physician 207VX0201X 5101025392 MI Primary

Addresses

Primary practice location

145 Michigan St NE Ste 6300
Grand Rapids, MI 49503-2562

Mailing address

100 Michigan St NE # Mc845
Grand Rapids, MI 49503-2560

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, MI2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20130524000398 PA Practitioner - Obstetrics/Gynecology 0143468587 Reassigns benefits to 1 organization
I20200212002292 MI Practitioner - Obstetrics/Gynecology 0143468587 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Lake Erie College of Osteopathic Medicine, Erie, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

250 Cherry St SE
Grand Rapids, MI 49503-4608
Phone (616) 685-5600

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Removal of the uterus21

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
5101025392MIMDGynecologic Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Spectrum Health Primary Care Partners Obstetrics & Gynecology CurrentSince Mar 16, 2020 Accepting new patients
Advantage Health Saint Mary'S Medical Group CurrentSince Apr 1, 2026 Accepting new patients
Spectrum Health United CurrentSince Jan 1, 2023 Accepting new patients
Reed City Hospital Corporation CurrentSince Jan 1, 2023 Accepting new patients
Geisinger Clinic CurrentSince Jul 28, 2016 Accepting new patients
Pennock Hospital CurrentSince Jan 1, 2023 Accepting new patients
Spectrum Health Primary Care Partners CurrentSince Mar 16, 2020 Accepting new patients
Geisinger Clinic Current Accepting new patients
Newaygo County General Hospital Association CurrentSince Jan 1, 2023 Accepting new patients
Pennock Hospital CurrentSince Jan 1, 2023 Accepting new patients
Newaygo County General Hospital Association CurrentSince Jan 1, 2023 Accepting new patients
Reed City Hospital Corporation CurrentSince Jan 1, 2023 Accepting new patients
Geisinger Clinic CurrentSince Jul 28, 2016 Accepting new patients
Advantage Health Saint Mary'S Medical Group CurrentSince Apr 1, 2026 Accepting new patients
Spectrum Health United CurrentSince Jan 1, 2023 Accepting new patients
Spectrum Health Hospitals Past Accepting new patients

Locations

1227 W State St
Belding, MI 48809
Phone (616) 794-0800

212 S Sullivan Ave
Fremont, MI 49412
Phone (231) 924-1212

250 Cherry St SE
Grand Rapids, MI 49503
Phone (616) 685-5600

145 Michigan St NE
Ste 6300
Grand Rapids, MI 49503
Phone (616) 486-6000

100 Michigan St NE
#845
Grand Rapids, MI 49503
Phone (616) 391-8242

1005 W Green St
Ste 300
Hastings, MI 49058
Phone (269) 948-8411

4444 Kalamazoo Ave SE
Ste 200
Kentwood, MI 49508
Phone (616) 391-5600

1 Atkinson Dr
Ludington, MI 49431
Phone (231) 843-2591

300 N Patterson Rd
Reed City, MI 49677
Phone (231) 832-3271

5900 Byron Center Ave SW
Wyoming, MI 49519
Phone (616) 252-3243

100 N Academy Ave
Danville, PA 17822

Interoperability endpoints

  • Direct secure messaging: chummel258006@epic00.corewelldirect.org

Organizations & group practices 18

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

View all 18

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1236211200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775088000000",
    "number": "1396985206",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE # MC845",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "145 MICHIGAN ST NE STE 6300",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032562",
            "telephone_number": "616-486-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HUMMEL",
        "first_name": "CHRISTOPHER",
        "middle_name": "E.",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-03-05",
        "last_updated": "2026-04-02",
        "certification_date": "2026-04-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VX0201X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecologic Oncology",
            "state": "MI",
            "license": "5101025392",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grand Rapids, MI

Sources for this page

Verify at the official NPI Registry.